Conditioning crude phthalocyanine pigments

Details Conditioning crude phthalocyanine pigments Conditioning crude phthalocyanine pigments

1982-09-20

1984-05-15

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Corrosion inhibiting coating composition

106 20, 106171, 106288Q, 26024573, 26024577, 26024587, C09D 1100, C08L 108, C09B 4704

Patent

active

044486073

ABSTRACT:
Crude phthalocyanine is converted from its crude state to its pigmentary form by (1) milling it with a phthalimidomethyl phthalocyanine derivative or a sulfonated phthalimidomethyl phthalocyanine derivative in the absence of any milling or grinding aid or by (2) grinding the crude phthalocyanine in the absence of any milling or grinding aid and then blending the ground material with a phthalimidomethyl phthalocyanine derivative or a sulfonated phthalimidomethyl phthalocyanine derivative. Without any additional conditioning or purification the pigment product is suitable for use in printing inks, paints, coating compositions, and the like.

REFERENCES:
patent: 2761868 (1956-09-01), Lacey
patent: 2855403 (1958-10-01), McKellin et al.
patent: 2891964 (1959-06-01), Roberts
patent: 3589924 (1971-06-01), Giambalvo
patent: 4141904 (1979-02-01), Cabut et al.
patent: 4221606 (1980-09-01), Funatsu
patent: 4371643 (1983-02-01), Thomas
Offenlegungsschrift 2811539 Sep. 21, 1978, Wheeler et al., 24 pp.

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